How to encrypt and decrypt password in java example

Save my name, email, and website in this browser for the next time I comment. Skip to content Home Java Encrypt User Password Example in Java When user signs up with our Mobile App we ask them to come up with a secure password and then we take that password and store it in database.

The below code example will help you: Generate Salt value Use password-based encryption to encrypt user password Encode secure user password into Base64 Once you have a secure value of user password encoded in Base64 you can save it in your database together with salt value.

PasswordUtils Java class used to encrypt and verify user password. NoSuchAlgorithmException; import java. SecureRandom; import java. Execute the above program and it will generate the random unique key as shown above in the output.

Save it into file and it is required to encrypt and decrypt the password. While executing the above java class will ask please enter key then you need to enter the above generated key and will ask plain text password then you need to enter your password and it will generate the encrypted password as above shown in the output.

Save the encrypted password in the properties file where key is stored already in the above as follows. I am Narayanaswamy founder and admin of narayanatutorial. You may want to use the jasypt library Java Simplified Encryption , which is quite easy to use.

Also, it's recommended to check against the encrypted password rather than decrypting the encrypted password. Note: the encrypted password is different every time you call encryptPassword but the checkPassword method can still check that the unencrypted password still matches each of the encrypted passwords. And to check the unencrypted password against the encrypted password, you can use the checkPassword method:.

The page below provides detailed information on the complexities involved in creating safe encrypted passwords. How are we doing? Please help us improve Stack Overflow. Take our short survey. Stack Overflow for Teams — Collaborate and share knowledge with a private group. Create a free Team What is Teams? Collectives on Stack Overflow. Learn more.

Encrypt and Decrypt in Java Ask Question. Asked 9 years, 8 months ago. Active 1 year, 5 months ago. Viewed k times. Is there a way to tell the javax. Can anyone point me to some resources on how to do this? Improve this question.

After encryption. I decrypt the. BadPaddingException: Given final block not properly padded at com. Since Archana says:.